Corneal (adjective)

1. Relating to the cornea of the eye.
2. Relating to the clear, curved front surface of the eye that covers the iris and pupil.

Origin:

From the latin word "corneus" which means "of or like horn" and refers to the cornea of the eye, which is tough and transparent.

Examples:

1. He had a corneal ulcer which caused him to lose his vision.
2. She had a corneal transplant to repair her damaged cornea.
3. He had to use eye drops for corneal infection.
4. She had a corneal abrasion from a piece of dust in her eye.
5. A corneal dystrophy is a genetic disorder that affects the cornea.